I thought i would start a thread on building the 560z ,as the boards look like they are soon to be done.

I have worked on the driver software, and by reading the documents it was written for 65d ver2 and up but it looks like they dropped support with ver3.
I have modified the code to work with ver 3, the only part that is not working is the Bin loader , but unless your using paper tape its not needed . if we can find a ver2 image or write a bit of code we could get it working. I have attached a .LOD file

So I started building one of these up tonight...does this thing go in a Challenger II/III style chassis backwards -- with the components facing the rear panel of the system? I can't see how else it would go, unless I'm totally misreading the manual and the SYS bus goes to the Challenger backplane?

Check out The Glitch Works
OSI Challenger 3, 510 CPU, 8" floppies, 74 MB hard disk system in need of restore
Parts bin Challenger 3 board set, never had a chassis in its time

Well it looks like 8T95s are going to be easy this time -- one of my suppliers has 1800 of them in stock! I've just purchased all of them, so if anyone needs them for other projects let me know. They're 74LS365s which are direct interchange.

Check out The Glitch Works
OSI Challenger 3, 510 CPU, 8" floppies, 74 MB hard disk system in need of restore
Parts bin Challenger 3 board set, never had a chassis in its time

I'm in the process of getting bench space freed up for the Challenger III chassis. Currently have a number of other projects crowding both the main debug bench and the long bench I use for burn-in/also debugging.

Check out The Glitch Works
OSI Challenger 3, 510 CPU, 8" floppies, 74 MB hard disk system in need of restore
Parts bin Challenger 3 board set, never had a chassis in its time